Home / 5,676.48-8,514.71-1,781.19

Finding the Fourth Proportional to 5,676.48, 8,514.71 and 1,781.19

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Solution

The fourth proportional to 5,676.48, 8,514.71 and 1,781.19 is: 2,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.48 : 8,514.71 = 1,781.19 : x
  2. Step 2: Convert to fraction form
    5,676.48/8,514.71 = 1,781.19/x
  3. Step 3: Cross multiply
    5,676.48x = 8,514.71 × 1,781.19
  4. Step 4: Simplify right side
    5,676.48x = 15,166,316.30
  5. Step 5: Solve for x
    x = 15,166,316.30/5,676.48
  6. Step 6: Final answer
    x = 2,671.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.